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Патент USA US3099383

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July 30, 1963
Y
c. R. TAYLOR
3,099,372
DISPENSING DEVICE HAVING SLITTED TOP PORTION
2 Sheets-Sheet 1
Filed Feb. 9. 1960
CLARENCE R. TAYLOR
INVENTOR.
2’
/
I
8% 42M
ATTORNEY
July 30, 1963
c, R, TAYLOR
3,099,372
DISPENSING DEVICE HAVING SLITTED TOP PORTION
Filed Feb. 9, 1960
2 Sheets-Sheet 2
CLARENCE R. TAYLOR
INVENTOR.
“7% 42M
ATTORNEY
Bad-99,372
a
United
tee
Patented July 30, 1963
2,
1
matically locating and positioning the cap on the spout in
its open and closed positions.
Another object of this invention is to provide an im
proved dispensing device, in which the cap thereof is ‘sub
jected to the greatest amount of distortion and stretching
when it is positioned with its slit either parallel or per
pendicular to the major axis of the spout.
3,699,372
DISPENSING DEVICE HAVENG SLHTED
T9}? PQR'HGN
fJlrn'ence R. Taylor, Rochester, N.Y.
(28 Woodside Drive, Peniield, N-Y.)
Filed Feb. 9, 1%tl, Ser. No. ‘7,717
3 Claims. (Cl. 222—4-9@)
Still another obect of this invention is to provide an
improved dispensing device having means for effectively
This invention relates generally to dispensers, and more
speci?cally to an improved dispensing device of the type 10 eliminating the feather edge from paste material that is
emitted from the container.
having a cooperable container spout and cap in which the
A further object of the invention is to provide an im
cap is adapted to be selectively movable between an open
proved dispensing device in which the cap and slit are
position for dispensing the contents of the container,
not objectionably distorted and twisted out of shape as
and a closed position for preventing the contents of the
15 the cap is moved into the zone between its open and
container from escaping therefrom.
closed positions.
Dispensing devices of this general type for dispensing
Another object of the invention is the provision of an
pastes, liquids, viscous solutions such as glue, and com
rninuted materials such as sugar, salt, pepper and the
like, are generally well known in the art, and one such
improved dispensing device having means for releasably
locking the cap in its ‘open and closed positions.
A more speci?c object of the invention is to provide
speci?c device is disclosed in U.S. Patent No. 2,585,527. 20
cam followers carried by the cap adapted to cooperate
Although dispensing devices of the type disclosed in the
with the inner periphery of the spout for positively clos
above-identi?ed patent are known to operate satisfactorily,
ing the slit when the cap is moved to the closed position.
they nevertheless suffer certain disadvantages. One of
Another speci?c object of the invention is to provide
these disadvantages is that no- means are incorporated
in the dispensing device for automatically locating the 25 cam followers carried by the cap adapted to cooperate
with the outer periphery of the spout for progressively
open and closed positions of the cap. It is necessary for
increasing the stretching ‘of the cap as it is moved toward
the operator to closely observe the cap as he is turning
the closed and open positions.
it, and to stop further turning of the cap when he notices
Still another speci?c object of the invention is to pro
that the slit therein is either tightly closed or open a Su?
vide a dispensing device having a top molded with a
cient amount. Another disadvantage of these prior art
conical depression which is urged by the spout to lie in a
dispensers is that no means are incorporated therein for
substantially ?at horizontal plane when the cap is opera
releasably locking the cap in the open or closed positions.
tively mounted on the spout.
Still another disadvantage is that any paste dispensed from
With the foregoing and other objects in view, this in
a device of this type conforms to the shape of the open
slit and consequently the outer edges thereof are sharp or 35 vention comprises certain novel constructions, combina
tions, and arrangments of parts as will be hereinafter fully
feathered. This has a tendency to make the paste curl
described, illustrated in the accompanying drawing, and
as it is being dispensed, and in many instances in order
more particularly pointed out in the appended claims.
to get a suf?cient quantity of paste, the width of the band
In the drawings:
of paste emitted must be excessive. A further disadvan
FIG. 1 is a segmental side elevation view showing a
tage of the prior art dispensers is that no positive means 40
are provided for successively increasing the stretching of
preferred embodiment of the dispensing device of this
the cap as it is moved into the closed or open positions.
invention;
F 216. 2 is a top plan view of the dispensing device of
Applicant’s improved dispensing device is believed to ob
viate these and other disadvantages of prior-known dis
pensing devices.
One of the primary objects of this invention is to pro
vide an improved dispensing device having a cooperable
container spout and cap in which the cap is rotatably
45
I
. 1;
FIG. 3 is a segmental side elevation view showing the
container spout ‘upon ‘which the cap of the dispensing
device is mounted;
FIG. 4 is a top plan view of the spout of FIG. 3;
mounted on the open spout of the container and is
FIG. 5 is a section view of the dispensing device of
adapted to be automatically selectively movable on the 50 FIG. 1;
spout between an open position for dispensing the con
FIG. 6 is a section view substantially taken on line
tents of the container, and a closed position for prevent
6——6 of FIG. 1;
ing the contents of the container from escaping therefrom.
FIG. 7 is a section view of only the cap of FIG. 2 taken
Another object of the invention is to provide an im
substantially
along 7—7;
proved cap for a container which is inert to most mate 55
FIG. 8 is a top plan view of the cap mounted on a
rials or liquids Which the container might hold.
A further object of this invention is to provide an
improved cap for a dispensing device adapted to be selec
tively movable thereon between open and closed positions
spout shown dotted, and showing the shape and position
of the slit in both the closed and open positions of the
cap, and the fact that in each position of the cap, it is
moved a few degrees past the dead center positions in
60 which the slit is parallel or perpendicular to the major
with a minimum of effort.
A still further object of the invention is the provision
axis of the spout;
of an improved dispensing device that is of simple design
FIG. 9 is a view similar to FIG. 5 showing a modi?ca
and construction, thoroughly reliable and eiiicient in op
tion of the invention;
eration, and economical to manufacture.
FIG. 10 is a view similar to FIG. 7 showing a modi?ed
Another object of the invention is the provision of an 65 form of cap;
improved dispensing device having a cooperable non-cy
FIG. 11 is a top plan view of the cap of FIG. 10;
lindrical spot and slitted cap in which the spout stretches
FIG. 12 is a section view taken substantially along
the cap and is adapted to forcibly selectively open and
line 12-12‘ of FIG. 11 showing the cap mounted on a
close the slit when the cap is manually turned on the
70 spout; and
spout.
FIG. 13 is an enlarged segmental view of a portion of
An additional object of this invention is to provide an
the cap of FIG. 7.
improved dispensing device having stop means for auto
3,099,372
As shown in the drawings, a preferred embodiment of
the dispensing device of this invention is disclosed in
FIGS. 1-8 comprising a cylindrical container 14 con
structed from any suitable material such as metal, glass
face 39 adapted to cooperate ‘with the end surface of cam
member 17" for controlling the position assumed by the
top of cap 27” so that it is maintained substantially flat
in a horizontal plane throughout operation of cap 2 ”.
or plastic. The container 14 has an integrally formed
The distance d” between the ?rst cam ‘follower surfaces
spout 15 comprising a cylindrical base portion 16, and an
38 is slightly greater than the distance e” between the
upper or terminating elliptical annular cam member 17
inner surfaces of cam member 17" along minor axis B—B
of substantially ‘oval-shaped axial cross-section joined
to provide positive sealing of lips 25". When this type of
together by ‘an intermediate portion 18, two sides of which
cap 22" is mounted on spout 15" as seen in FIG. 12,
slant inwardly. The outer dimension of cam member 10 earn follower surface 39 engages end surface of cam
17 taken along its major axis A—A is greater than the
member 17” which maintains top 27" of cap 2 ” sub
outer dimension taken along its minor axis B—B for a
stantially ?at. When cap 2 " is moved .to its open posi
purpose to be explained hereinafter. The base portion
tion, the tendency for the top 27" of cap 22" to be bowed
16 has an annular groove 19 for receiving an 0 ring 21
outwardly is counteracted by the inherent tendency of
adapted to cooperate with the lower end of a substantially 15 cap 22” to assume its original depressed position. Con
cylindrical cap to provide a seal for preventing the escape
sequently, the top 27" of cap 22” in operation remains
of liquid from container 14. The cap 22 as best seen in
substantially ?at eliminating any excessive distortion and
FIGS. 1 and 5, is rotatably mounted on spout 151 and is
bulging thereof.
constructed or molded from a ?exible material such as
rubber, or Te?on or any other suitable plastic which is
inert to most materials held by container 14, and further
has a low coe?icient of friction with respect to spout 15
so that it may be readily turned thereon. To facilitate
turning or rotating cap 22 on spout 15, its cylindrical
body portion is provided with circumferentially spaced
peripheral ridges 23 by which cap 22 may be manually
gripped and turned by the operator. Although ridges 23
are formed intermediate the ends of cap 22‘, they may be
disposed anywhere along the body portion. The top 27
of cap 22 is arcuately-shaped and is provided with a slit
25 therethrough of a length greater than the distance
between the inner surfaces of member 17 along axis A—A.
Cap 22 further has ‘a pair of cylindrical projections 24
integrally formed therewith, ‘one on each side of slit 25
adapted to cooperate with the inner periphery of cam
To install cap 22 shown in FIG. 7 on spout 15, an
O ring 21 is ?rst seated in groove 19‘ of spout 15, and
cap 22 is positioned above spout .15 with pins 35 in
register with vertical legs 29. The cap 22 is then pressed
downwardly onto spout 15 as far as it will go, cap 22
being stopped by pins 35 striking one edge of legs 31,
25 32.
The lower end of cap ‘22 is forced over 0 ring 21
into sealing engagement therewith. From this position,
cap 22 may be moved in a clockwise direction as seen
in ‘FIG. 6 until pins 35 engage shoulders 34- stopping
cap 22 in a closed position. Moving cap 22 in the
opposite direction until pins 35 engage shoulders 33
positions cap 22 in the open position. The shoulders 33,
34 :are so located with respect to pins '35 that when pins
35 are in engagement therewith, slit 25 as best seen in
FIG. 8 is a few degrees designated by the Greek letter
which engage the inner periphery of cam 17 and is des
“a” past one of the “dead center” positions. The “dead
center" positions occur when slit 25 in cap 22 is either
parallel to major axis A—A or perpendicular thereto.
Moving cap- 122 so that slit 25 is turned a few degrees
ignated “d” in FIG. 7 is slightly greater than the distance
past either of the “dead center” positions, releasably
member 17 for positively closing slit 25. To accomplish
this, the distance between the surfaces of projections 24
between the inner surfaces of cam member 17 along minor
lock the cap 22 in the open or closed positions because
additional energy or work is required to move cap 22
provided with “four ‘cam followers 26 molded therein ad
from the {open or closed positions to the “dead center”
jacent the upper end of the sides of cap 22 and having a
positions. The additional energy is necessary to force
semi-cylindrical cam surface adapted to cooperate with the
cam followers 26 along the outer periphery of cam mem
outer periphery of the cam member 17. Top 27 has a 45 ber 17 until they are in alignment with the major and
small annular peripheral depending section 28 of smooth
minor axis A—A and B——B at which time the body
radius merging with the top of the body portion of cap 22
portion of cap 22 is deformed or stretched the greatest
‘as best seen in FIG. 13. The section 28 facilitates ex
amount. Projections 24 are inoperative when cap 22
pansion of cap 22 by cam member 17 as seen dotted in
is in the open position, but cooperate with the inner
FIG. 13 without excessively stretching and distorting 50 periphery of cam member 17 to positively close slit 25
:axis B—B, designaed “e” in FIG. 4. Cap 22‘ is further
top 27.
The cylindrical portion ‘16 of spout 15 is provided with
diametrically opposed inverted T-shaped slots, each hav~
in the closed position since, as indicated heretofore, the
distance “d” between the outer surfaces of projections
24 is slightly greater than the distance “e” between the
ing a vertical leg 29 and a pair of horizontal legs 31, 32
inner surfaces of cam member 17 along minor axis B—B.
terminating in shoulders 33‘, 3'4 respectively as best seen 55 The installation of cap 22 shown in FIG. 10 on spout
in FIGS. 3, and 6. The T-shaped slots are adapted to
15” is similar to that of cap 22 except that the second
slidably receive diametrically opposed pins 35 mounted
cam follower surfaces 39 ride on the end surface of cam
on the inner periphery of the body portion of cap 22.
member 17 and cooperate therewith to maintain the top
27" of cap 22" substantial-1y flat in a horizontal plane
throughout the operation of cap 22 as seen in FIG. 12.
In the modi?cation of the invention seen in FIG. 9 an
adapter spout 36 having an outside con?guration similar
to spout 15 is provided with a threaded bore 37. Accord
ingly, the adapter 36 may be screwed onto any type of
container having a conventional threaded spout. In this
This is accomplished by properly designing the con
10—-12, all parts similar to enumerated parts shown in
FIGS. 1-8 are designated by the same numerals double
primed. The top of cap 27" is originally molded with a
In this position, the top of spout 15 cooperates with the
top 27 of cap 22 to control the shape of the band of
paste emitted from container 14. In this instance, the
?guration of the end surface of cam member :17 and the
second cam follower surface 39 with respect to the top
27" of cap‘ 22".
modi?cation, all parts similar to enumerated parts ‘in
FIGS. 1-8 are designated by the same numerals primed.
Let us assume initially that the container is ?lled with
65
a paste and the cap 22 turned into the open position.
In the modi?cation of the invention shown in FIGS.
conical depression forming an angle of substantially 5 70 paste would have the generally cigar shape designated C
degrees with the horizontal. The cylindrical projections
in FIG. 8 de?ned by lips 41 and a portion of the inner
24" integrally formed with cap .22" have ‘a stepped end
periphery of cam follower 17. It is apparent, therefore,
that the top of spout 15 is combination with top 27 of
operate with the inner periphery of cam member 17" for
cap 22 having a slit 25 of greater length than the distance
positively closing slit 25", and a second cam follower sur 75 between the inner surfaces of cam member 17 along
forming a ?rst cam follower surface 38‘ adapted to co
3,099,372
major axis A--A, completely eliminates a wide band
having a feather edge and provides a substantially nar
rower band of paste of substantial width throughout its
cross section.
The invention has been described in detail ‘with par
ticular reference to preferred embodiments thereof, but it
spaced 90 degrees apart a closed-off top portion having
a slit and a peripheral depending section of small radius
interconnecting said top‘ and body portions, said cap
further ‘being rotatably mounted on said spout with said
slot slidably receiving said pin and said cam followers
slidably engaging the outer periphery of said oam, said
cap further being movable between a ?rst position in which
will be understood that variations and modi?cations can
said pin engages said ?rst shoulder and one of said pairs
be effected within the spirit and scope of the invention
of diametrically opposed cam followers are a few degrees
as described hereinabove and as de?ned in the appended
10 out of alignment with said major axis on one side thereof
claims.
whereby said slit is releasably held closed, and a second
I claim:
position in which said pin engages said second shoulder
1. In a dispensing device, the combination comprising:
a container having a spout, the free end of which has an
inner elliptical cam surface; and a substantially eup
and the remaining pair of diametrically opposed cam
said cap including a closed off top‘ portion having a slit
3. The invention according to claim 1 wherein each
of said projections has a shoulder adapted to engage
the top of said spout.
followers vare a few degrees out of alignment with said
shaped cylindrical ?exible cap rotatably mounted on said 15 major axis on the opposite side thereof whereby said
slit is releasably held opened.
spout and movable between open and closed positions,
therethrough and a pair of depending projections on
opposite sides of said slit adapted to slidably engage said
cam surface for positively forcing said slit closed upon
rotation of said cap to said closed position.
2. In a dispensing device, the combination comprising:
References Cited in the ?le of this patent
UNITED STATES PATENTS
a container having a spout provided with an elliptical
cam at one end thereof, said spout further having an in
vented T-shaped slot forming ?rst and second shoulders 25
and said 0am having major and minor axes; and a cup
shaped cap including a cylindrical body portion having
a pin and vtwo pairs of diametrically opposed radially
extending cam followers on its inner periphery angularly
1,696,506
1,739,922
1,830,990
2,122,299
2,585,527
3,016,172
Smith ______________ __ Dec.
Smith ______________ __ Dec.
:Feih ______________ __ Nov.
Sloan ______________ __ June
Adams ______________ __ Feb‘.
25,
17,
10,
28,
12,
1928
1929
1931
1938
1952
‘Morrow et al. ________ __ Ian. 9, 1962
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